Fix various typos

guide/ch_advanced_use.tex

@@ -469,7 +469,7 @@ \subsection{Modernized MESA3D libraries (Software OpenGL on Windows)}
 
 The \program{Mesa3D} project \footnote{\url{https://www.mesa3d.org/}} meanwhile (2023) provides at least OpenGL~4.5. 
 If you wish to use more ``up to date'' precompiled binaries and have Administrator privileges on your Windows system, 
-you can replace this library using the following steps to install inofficial builds\footnote{\url{https://github.com/pal1000/mesa-dist-win/}}. 
+you can replace this library using the following steps to install unofficial builds\footnote{\url{https://github.com/pal1000/mesa-dist-win/}}. 
 Note however that after this upgrade, the program runs with considerably ($\approx$35\%?) lower framerate. 
 You must decide whether this is really beneficial in your situation. The libraries don't provide any additional graphics features that Stellarium makes use of.
 

guide/ch_interface.tex

@@ -1059,7 +1059,7 @@ \subsection{The Object tab}
 names which start with the string you enter. Do that in the Options tab
 of this panel (see section~\ref{sec:gui:SearchWindow:Options}).
 The search result should update automatically\newFeature{0.20.3}
-when you nagivate back to the Object tab.
+when you navigate back to the Object tab.
 Now the list is shorter and contains only objects which start
 with \emph{m}:
 \begin{center}

guide/ch_landscapes.tex

@@ -924,7 +924,7 @@ \section{Making a Fish eye Panorama}
 
 It is possible to make a synthetic fisheye texture using the same method
 as making a ground from a spherical panorama but it is hardly worth the
-trouble as even a simple 2048 x 1024 pixel sperical will give a far
+trouble as even a simple 2048 x 1024 pixel spherical will give a far
 better result.
 
 %%% Local Variables: 

guide/pgfsys-tex4ht.def

@@ -314,7 +314,7 @@
   \hbox to#2\bgroup
     \hsize=#2\relax
     \vbox\bgroup    
-% though it works, I'm desabling the above mentioned hack to make tex4ht behave with <p> <\p>, because it blurps the positioning 
+% though it works, I'm disabling the above mentioned hack to make tex4ht behave with <p> <\p>, because it blurps the positioning 
 % (I''l try to fix that later, it's a css thing)
 %
 %    \ifpgfsys@textonly\else\HtmlParOn\fi
@@ -418,7 +418,7 @@
 
 % There is something rellay wrong with the way "%" chars are used in here... you should code "}%" to avoid unnecessary spaces
 % and it is unnecessary to code \cs%
-% got to be carefull with numbers though, cf the texbook...2\relax and 2 % are okey
+% got to be careful with numbers though, cf the texbook...2\relax and 2 % are okey
 
 \def\pgfsys@outerinvoke{\ifpgfpicture\expandafter\pgfsys@invoke\else\expandafter\pgfutil@gobble\fi}
 

guide/plg_calendars.tex

@@ -184,7 +184,7 @@ \subsubsection{Near Eastern calendars}
   dates given by religious authorities on basis of observation.
 \item[Hebrew] is a Lunisolar calendar with strict Lunar months, but
   adherence to the seasons. It has 12 or 13 months, and 353-355 or
-  383-385 days per year. The algorithmic form was instroduced in the
+  383-385 days per year. The algorithmic form was introduced in the
   mid-4th century A.D.
 \end{description}
 

plugins/TelescopeControl/src/TelescopeControl.cpp

@@ -1551,7 +1551,7 @@ void TelescopeControl::loadDeviceModels()
 	//Clear the list of device models - it may not be empty.
 	deviceModels.clear();
 
-	//Cicle the list of telescope deifinitions
+	//Cycle the list of telescope deifinitions
 	for(int i = 0; i < deviceModelsList.size(); i++)
 	{
 		QVariantMap model = deviceModelsList.at(i).toMap();

src/core/StelCore.cpp

@@ -2466,7 +2466,7 @@ void StelCore::setCurrentDeltaTAlgorithm(DeltaTAlgorithm algorithm)
 			deltaTfinish	= 2007;
 			break;
 		case KhalidSultanaZaidi:
-			// M. Khalid, Mariam Sultana and Faheem Zaidi polinomial approximation of time period 1620-2013 (2014)
+			// M. Khalid, Mariam Sultana and Faheem Zaidi polynomial approximation of time period 1620-2013 (2014)
 			deltaTnDot = -26.0; // n.dot = -26.0 "/cy/cy
 			deltaTfunc = StelUtils::getDeltaTByKhalidSultanaZaidi;
 			deltaTdontUseMoon = true; // Seems this solutions doesn't use value of secular acceleration of the Moon

src/core/modules/Nebula.hpp

@@ -125,7 +125,7 @@ friend class NebulaMgr;
 		NebEMO			= 20,  //!< Emission object
 		NebBLL			= 21,  //!< BL Lac object
 		NebBLA			= 22,  //!< Blazar
-		NebMolCld	        = 23,  //!< Molecular Cloud
+		NebMolCld	    = 23,  //!< Molecular Cloud
 		NebYSO			= 24,  //!< Young Stellar Object
 		NebPossQSO		= 25,  //!< Possible Quasar
 		NebPossPN		= 26,  //!< Possible Planetary Nebula

src/core/modules/NebulaMgr.hpp

@@ -43,7 +43,7 @@ typedef QSharedPointer<Nebula> NebulaP;
 //! @class NebulaMgr
 //! Manage a collection of nebulae. This class is used
 //! to display the NGC catalog with information, and textures for some of them.
-// GZ: This doc seems outdated/misleading - photo textures are not mamaged here but in StelSkyImageTile
+// GZ: This doc seems outdated/misleading - photo textures are not managed here but in StelSkyImageTile
 
 class NebulaMgr : public StelObjectModule
 {
@@ -876,7 +876,7 @@ public slots:
 	//! @param f the amount between 0 and 10. 0 is no hints, 10 is maximum of hints
 	void setHintsBrightness(double b);
 	//! Get the brightness of nebulae labels.
-	//! @return the amount between 0 and 1. 0 is dark (no hints), 1 is maximum brigthness of hints
+	//! @return the amount between 0 and 1. 0 is dark (no hints), 1 is maximum brightness of hints
 	double getHintsBrightness(void) const;